19 results
Lower Extremity Nerve Pathologies 

 • Obturator
 • Femoral
 • Common Peroneal
 • Tibial
 • Superior
Lower Extremity ... Superior Gluteal • Inferior ... #Pathologies #differential ... diagnosis #Neuropathy #anatomy ... #innervation #neurology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm Polyuria ... Primary Polydipsia #Polyuria ... #Differential # ... Diagnosis #Algorithm #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Osm <100 mOsm/kg ... solute load #Polyuria ... #Differential # ... Algorithm #causes #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Osmolality > 300 mmol/kg ... diuresis (see Polyuria ... Hypernatremia #Nephrology ... #Differential #
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... Diagnosis Algorithm Polyuria ... concentration (e.g ... #Nephrology #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... SGLT2 inhibitors (e.g ... #Differential # ... Diagnosis #Causes #nephrology
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Constipation - Differential ... Volume / Bulk Neurologic ... Withholding • Painful (e.g ... Psychotropics) Anatomic ... #Constipation #Differential
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Causes of Dysuria - Differential ... Diagnosis Algorithm Pyuria ... Casts • Lower ... Non-Gonococcal (e.g ... cystitis #Dysuria #Differential
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Parietal Lobe Lesion (Inferior ... NeuroOphthaImoIogy #Neurology ... #Differential # ... Diagnosis #Anatomy
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L5/S1 with an inferior ... constipation Differential ... Inspection - lower ... Equina #syndrome #differential ... diagnosis #causes #neurology